Langimage
English

gyrus

|gy-rus|

C2

/ˈdʒaɪrəs/

brain ridge

Etymology
Etymology Information

'gyrus' originates from Greek, specifically the word 'gyrós' (Greek γῦρος), where 'gyrós' meant 'circle' or 'ring'.

Historical Evolution

'gyrus' changed from Latin and medieval Latin word 'gyrus' and eventually became the modern English word 'gyrus'.

Meaning Changes

Initially, it meant 'circle' or 'ring', but over time it evolved into its current meaning of 'a ridge on the surface of the brain'.

Meanings by Part of Speech

Noun 1

a ridge or raised fold on the surface of the brain (cerebral cortex), lying between adjacent sulci.

The precentral gyrus lies just anterior to the central sulcus.

Synonyms

Antonyms

sulcus

Last updated: 2025/10/19 13:52